Finding the Fourth Proportional to 106,296,585.62, 146,689,289.97 and 57,404,013.62
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Solution
The fourth proportional to 106,296,585.62, 146,689,289.97 and 57,404,013.62 is: 79,217,539.78
Step by Step Solution
- Step 1: Write the proportion equation
106,296,585.62 : 146,689,289.97 = 57,404,013.62 : x - Step 2: Convert to fraction form
106,296,585.62/146,689,289.97 = 57,404,013.62/x - Step 3: Cross multiply
106,296,585.62x = 146,689,289.97 × 57,404,013.62 - Step 4: Simplify right side
106,296,585.62x = 8,420,553,999,346,009 - Step 5: Solve for x
x = 8,420,553,999,346,009/106,296,585.62 - Step 6: Final answer
x = 79,217,539.78
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.